Home / 1,420,905-2,132,409.54-672,953.16

Finding the Fourth Proportional to 1,420,905, 2,132,409.54 and 672,953.16

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Solution

The fourth proportional to 1,420,905, 2,132,409.54 and 672,953.16 is: 1,009,928.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,420,905 : 2,132,409.54 = 672,953.16 : x
  2. Step 2: Convert to fraction form
    1,420,905/2,132,409.54 = 672,953.16/x
  3. Step 3: Cross multiply
    1,420,905x = 2,132,409.54 × 672,953.16
  4. Step 4: Simplify right side
    1,420,905x = 1,435,011,738,357.15
  5. Step 5: Solve for x
    x = 1,435,011,738,357.15/1,420,905
  6. Step 6: Final answer
    x = 1,009,928.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.